The Skyline Valley expansion for Fallout 76 adds tons of content for players to enjoy, including new cosmetics, questlines, areas, and more. Vault 63 has always been inaccessible, but the expansion has changed that. Here is how to find and enter Vault 63 in Fallout 76. Where is Vault 63 in Fallout 76? Image: Nuka Knights / YouTube Players can find Vault 63 in the Ash Heap region of Appalachia, located in the southwest of the Fallout 76 map. Use the image attached for a reference on its exact location. Once you reach this area, you will notice a very small shack containing one room. Inside this shack are two doors, one leading to the balcony of the shack, and the other leading to a cave. Take the door on the left side of the shack, leading you to the cave that will bring you to Vault 63. How to enter Vault 63 in Fallout 76 Before the Skyline Valley expansion of Fallout 76, the terminal in front of Vault 63 would inform the player that the vault is sealed and inaccessib...